class Animal:
    def run(self):
        print("Animal is running...")

class Cat():
    def run(self):
        print("The cat is running quietly...")

class Dog():
    def run(self):
        print("The dog is running with barking...")

def running(FP_animal):
    FP_animal.run()

INS_cat = Cat()
INS_dog = Dog()

running(INS_cat)
running(INS_dog)
